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Former Iranian Foreign Minister Ali Akbar Velayati, center, a senior advisor to supreme leader Ayatollah Ali Khamenei, shows his inked finger to media as he registers his candidacy for the upcoming presidential election, at the election headquarters of the interior ministry in Tehran, Iran, Saturday, May 11, 2013. Iranian election authorities say several new high-profile politicians including hardliners, reformists, and allies of outgoing President Mahmoud Ahmadinejad have registered for the June 14 presidential elections. The campaign is taking shape as open season on Ahmadinejad's legacy and his combative style that bolstered his stature among supporters but alarmed critics. Ahmadinejad is barred by law from seeking a third term due to term limits under Iran's constitution. (AP Photo/Ebrahim Noroozi)

Former Iranian Foreign Minister Ali Akbar Velayati, center, a senior advisor to supreme leader Ayatollah Ali Khamenei, shows his inked finger to media as he registers his candidacy for the upcoming presidential election, at the election headquarters of the interior ministry in Tehran, Iran, Saturday, May 11, 2013. Iranian election authorities say several new high-profile politicians including hardliners, reformists, and allies of outgoing President Mahmoud Ahmadinejad have registered for the June 14 presidential elections. The campaign is taking shape as open season on Ahmadinejad's legacy and his combative style that bolstered his stature among supporters but alarmed critics. Ahmadinejad is barred by law from seeking a third term due to term limits under Iran's constitution. (AP Photo/Ebrahim Noroozi)